Philippine Sea
IHO sea area 56 · 120° to 146° E, 3° to 35° N
- in force
- 14
- last 12 months
- 4
- since 1996
- 1,699
- categories
- 11
In force now · 14
- HYDROPAC 2325/26 · Exercises2026-08-12Hazardous operations occur daily August 18-20, 0100Z to 1300Z, within three miles of two positions near Guam in the Philippine Sea.
- NAVAREA XI 355/26 · Nav aids2026-08-05The No. 3 light buoy at Futami Ko, Chichi Shima, Nanpo Shoto, is extinguished.
- HYDROPAC 1978/26 · Other2026-07-10Due to Tropical Storm Bavi, Rota Island port is closed, while Apra Harbor and Tinian ports have reopened.
- HYDROPAC 2242/25 · Volcanic2025-09-02Volcanic activity is reported at Io-To in vicinity of 24-45.00N 141-17.3E.
- HYDROPAC 3535/24 · Nav aids2024-11-14Cape Santiago light at 13-46.32N 120-39.18E is unlit in the South China Sea, Philippines.
- NAVAREA XI 597/24 · Nav aids2024-11-14Cape Santiago Light (F2614) in the North Pacific, Philippines, at 13-46.32N 120-39.18E, is extinguished.
- NAVAREA XI 491/24 · Volcanic2024-09-19Discoloured water observed near Nanpo Shoto at 31-26.4N 140-03.0E on September 18, 2024 at 0545Z. Vessels advised caution.
- NAVAREA XI 492/24 · Volcanic2024-09-19As of September 19, a volcanic warning for Sumisu Shima at 31-26.3N 140-03.0E expects eruption influence around the volcano.
- NAVAREA XI 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
- NAVAREA XI 207/23 · Volcanic2023-06-14Discoloured water and submarine volcanic eruption continue near 24-17.2N 141-28.8E, North Pacific, Nanpo Shoto, at 140350Z June. Caution advised.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
Longest in force
- NAVAREA XI 488/20 · Volcanic2020-12-18Volcanic warning for Nishino Shima at 27-14.6N 140-52.7E, eruption influence expected within 0.9 mile, canceling warnings 0037 and 0316/20.
- NAVAREA XI 231/21 · Volcanic2021-07-13Discoloured water is sighted near Nanpo Shoto at 24-48.8N 141-19.2E, July 13, 08:00 UTC. Vessels advised caution.
- NAVAREA XI 325/21 · Volcanic2021-10-12Discoloured water observed within about 0.7 miles of 27-13.6N 140-55.3E in North Pacific, Nanpo Shoto, at 120643Z Oct.
- NAVAREA XI 326/21 · Volcanic2021-10-13Discoloured water observed extending south for 5 miles, 2 miles wide, from 27-16.7N 140-56.6E at 120643Z October.
- NAVAREA XI 206/23 · Volcanic2023-06-14On June 14, discoloured water was observed near 25-27.1N 141-14.5E in Nanpo Shoto; vessels advised caution.
By year
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18
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26
By month (all years)
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By category · since 1997
| Exercises | 917 | 54% |
| Cable ops | 152 | 9% |
| Other | 137 | 8% |
| Derelicts | 117 | 7% |
| Surveys | 111 | 7% |
| Volcanic | 96 | 6% |
| Missiles | 92 | 5% |
| Nav aids | 28 | 2% |
| Debris | 26 | 2% |
| Containers | 13 | 1% |
| Wrecks | 10 | 1% |
Archive · 1,685 cancelled
- HYDROPAC 1427/18 · Cable ops2018-04-13 → 2018-04-14Cable operations in progress until 20 apr by cable ship durable in area bound by 24-06.1N 122-29.2E,…
- HYDROPAC 1292/18 · Exercises2018-04-04 → 2018-04-12Gunnery exercises: a. 06 apr in area bound by 06-07.03N 126-07.99E, 05-57.00N 126-08.00E, 05-57.02N…
- HYDROPAC 1291/18 · Cable ops2018-04-04 → 2018-04-13Cable operations in progress until 05 apr, alternate 06 thru 13 apr by cable ship durable in area bound by…
- HYDROPAC 1073/18 · Surveys2018-03-18 → 2018-03-29Underwater operations 23 thru 28 mar by M/V yokosuka with submersible in areas: a. bound by 34-00.0N…
- HYDROPAC 1017/18 · Cable ops2018-03-15 → 2018-03-17Taiwan DNC 23
- HYDROPAC 1010/18 · Exercises2018-03-15 → 2018-03-16Hazardous operations 152300Z to 160800Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 995/18 · Exercises2018-03-14 → 2018-03-15Hazardous operations 142300Z to 151355Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 981/18 · Exercises2018-03-13 → 2018-03-14Hazardous operations 132300Z to 141100Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 959/18 · Exercises2018-03-11 → 2018-03-12Hazardous operations 112300Z to 121100Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 910/18 · Exercises2018-03-08 → 2018-03-09Hazardous operations 090001Z to 090200Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 887/18 · Exercises2018-03-07 → 2018-03-08Hazardous operations 080100Z to 081100Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 873/18 · Cable ops2018-03-06 → 2018-03-15Taiwan DNC 23
- HYDROPAC 869/18 · Exercises2018-03-06 → 2018-03-07Hazardous operations 070100Z to 071100Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 855/18 · Exercises2018-03-05 → 2018-03-06Hazardous operations 052330Z to 061359Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 841/18 · Exercises2018-03-04 → 2018-03-05Hazardous operations 042300Z to 050700Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 818/18 · Exercises2018-03-02 → 2018-03-03Hazardous operations 020130Z to 030300Z mar in area within 12 miles of 16-01.06N 146-03.35E
- HYDROPAC 798/18 · Cable ops2018-02-28 → 2018-03-27Cable operations 031800Z to 270001Z mar, alternate 28 mar thru 20 apr by cableship lodbrog in area bound by…
- HYDROPAC 759/18 · Missiles2018-02-24 → 2018-02-27Hazardous operations, rocket launching: a. 270439Z to 270457Z feb in area bound by 29-49-00N 133-04-00E,…
- HYDROPAC 741/18 · Missiles2018-02-23 → 2018-02-26Hazardous operations, rocket launching: a. 260439Z to 260457Z feb in area bound by 29-49-00N 133-04-00E,…
- HYDROPAC 699/18 · Missiles2018-02-20 → 2018-02-25Hazardous operations, rocket launching: a. 250405Z to 250609Z feb in area bound by 29-49-00N 133-04-00E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.